Some of the more important and sensitive PDF files, if you don't want to be opened and viewed by others, you can set an open password for the file, which can prevent unauthorized access. If you don't know how to set a password for PDF, please look at the following contents quickly. I will teach you to encrypt PDF files in batches with one key. I will attach a detailed graphic operation tutorial for everyone to learn. The steps are simple and you will learn it once you learn!
PDF file set to open the password after the effect preview
method one: HeSoft Doc Batch Tool
Advantages: simple operation, support batch to a lot of PDF file one-key encryption, no file cap, fast processing speed. And all files are processed locally, no need to upload to the server, will not disclose sensitive information, safe and reliable.
Operation steps:
1, open. HeSoft Doc Batch Tool , find PDF Tools → PDF Add Password Protection.
2. Add all PDF files to be encrypted here. There is no limit on the number of files.
3. Select the file opening password, and then enter the password you want to set below.
4. After the processing is completed, click the save location to view. All PDFs have been set with the opening password, and the encryption is easily completed.
Method 2: Adobe Acrobat DC
advantages: Professional PDF editing tools, powerful, can meet the complex needs of users. Can batch to multiple PDF file password, free hands, save time and effort. The treatment effect is good, suitable for users with higher requirements.
Operation steps:
1. Open the PDF file with Adobe Acrobat DC, click Protect on the right, and then click Password to protect it.
2. We choose to view the password, then enter the password below, confirm the password again, and click on the application to complete the setting.
Method 3: Batch PDF Encryptor
advantages: This is a PDF file batch encryptor, which can easily encrypt multiple PDFs in batch, and it can automatically generate different opening passwords for each PDF file at the same time, and save the passwords in csv files.
Operation steps:
1. Open the batch PDF encryptor, select the password mode, and then set a password for all PDFs or a random password for each PDF according to your needs.
2. Then enter the owner password and the password to open the PDF file below.
3. Click the output path, select a location to save the encrypted PDF file, and then drag and drop the encrypted PDF onto the large icon of the window to start encryption. After the processing is completed, the encrypted PDF file has been saved to the specified location.
Method four: PDF24 Tools
advantages: The operation steps are simple and easy to understand. Just open the page directly, upload the file, and then encrypt it. There is no technical threshold, the process is simple, and it can be used at first hand. It is suitable for novice white and zero basic users.
Operation steps:
open PDF24 Tools, select Protect PDF, click Select File, and upload the PDF file you want to encrypt here. Enter the password you want to set below, and finally click Protect PDF file.
Method 5: Soda PDF Online
advantages: PDF online processing tools, no need to install additional software, directly open the browser can be used, convenient and quick, more time-saving. Not limited by the operating system, Windows or Mac can be used.
Operation steps:
open Soda PDF Online, select Protect PDF, and upload the PDF file that needs to be encrypted. After the upload is completed, jump out of an interface to let us enter the password and confirm the password. After the password is set, click Protect.
Of the above four methods, the first three are local processing tools, which are more secure, but need to be installed on a computer to use them. The latter two are online processing tools. Although they are easy to use, they are easy to disclose privacy and have their own advantages and disadvantages. You can according to their actual situation, choose a you think the best, the most reliable way to PDF file encryption.
Disclaimer: The text, images, videos, etc., on this website are limited to the software version and operating environment used when creating this content. If subsequent product updates cause your operations to differ from the content on the website, please refer to the actual situation!
